Proton Authenticator
Proton Authenticator Summary
Proton Authenticator is a Android app in the Productivity category, developed by Proton AG. First released 6 months ago(Jul 2025), the app has accumulated 253K+ total installs and 5.9K ratings with a 4.80★ (excellent) average rating.
Recent activity: 11.6K installs this week (38.2K over 4 weeks) showing steady growth , and 285 new ratings this week (900 over 4 weeks) with stable momentum. View trends →
Data tracking: SDKs and third-party integrations were last analyzed on Nov 24, 2025. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Jan 1, 2026.
Store info: Last updated on Google Play on Jan 20, 2026 (version 10200000).
Proton Authenticator was last scanned for SDKs 2025-11-24. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Firebase
JetBrains
Airbnb Engineering
Google
Jake Wharton
Square
JourneyApps4.8★
Ratings: 5.9K
Screenshots
App Description
Secure, end-to-end encrypted, open source, and available on every device
Protect your accounts with Proton Authenticator, a private and secure cross-device two-factor authentication (2FA) that works offline. Created by Proton, the creators of Proton Mail, Proton VPN, Proton Drive, and Proton Pass.
Proton Authenticator is open-source, end-to-end encrypted, and backed by Swiss privacy laws. It’s the safest way to generate and store your one-time passwords (TOTP) for 2FA Login.
Why Proton Authenticator?
- Free to use: No Proton account required, ad-free.
- Offline support, on mobile and desktop apps
- Sync your 2FA codes to all your devices with end-to-end encryption.
- Enable automatic backups for peace of mind
- Easily import from other 2FA apps, or export from Proton Authenticator.
- Protect your account with biometrics or a PIN code.
- Open-source transparency, verifiable code.
- Protected by Switzerland’s privacy laws.
Trusted by millions. Built by Proton.
Take control of your digital security today.